80KSBR200 Datasheet, PDF (107/172 Pages) Integrated Device Technology – sRIO SERIAL BUFFER FLOW-CONTROL DEVICE

IDT 80KSBR200
Notes
Advanced Datasheet*
#
Signal
Stat Description
8
TT
RW Defines whether the sRIO doorbell is an 8 or 16 bit destination ID
9
11-10
15-12
23-16
31-24
WR32
PRIO
-
DESTID
DESTID
RW 0 = Write 8 bits (clear flags only), 1 = Write 32 bits (write new dest IDs)
RW Priority for Doorbell packet
Unused bits
RW Destination ID for sRIO Doorbell
RW Destination ID for sRIO Doorbell, for 16 bit extension
39-32
47-40
MASK
-
RW S-Port Doorbell Mask
Unused bits
55-48
63-56
MASK
MASK
RW Interrupt 0 Mask
RW Interrupt 1 Mask
Note:
0)
1)
2)
3)
7-4)
Table 90 FIFO Queue Empty Flag Register
EF = No data remains in queue
PAE = Programmable on 1/256^th portions of queue memory
PR = Full packet ready for reading, reading one byte or more will kill flag
W = Waterlevel is at or past the watermark (either byte or packet count)
Res = Reserved bit
8.5.8 FIFO Full Flag Register
If this register generates an sRIO packet, the packet will be a doorbell.
Name: FIFO_FULL_FLAG
FIFO_FULL_MASK
Address: 0x19C64
0x19D24
#
0
1
2
7-3
8
9
11-10
15-12
23-16
31-24
39-32
47-40
55-48
63-56
Signal
FF
PAF
SA
-
TT
WR32
PRIO
-
DestID
DestID
MASK
-
MASK
MASK
Stat Description
RT Queue 0, Full Flag, Incoming packet rejected
RT Queue 0, Programmable Almost Full
RT Queue 0, One or more Max Sized Packet Space Available
Reserved
RW Defines whether the sRIO doorbell is an 8 or 16 bit destination ID
RW 0 = Write 8 bits (clear flags only), 1 = Write 32 bits (write new dest IDs)
RW Priority for Doorbell packet
Unused bits
RW Destination ID for sRIO Doorbell
RW Destination ID for sRIO Doorbell, for 16 bit extension
RW S-Port 1 Doorbell Mask
Unused bits
RW Interrupt 0 Mask
RW Interrupt 1 Mask
Table 91 FIFO Queue Full Flag Register
107 of 172
March 19, 2007
„2005 Integrated Device Technology, Inc. All rights reserved. Advanced Datasheet for informational purposes only. Product specifications subject to change without notice.NOT AN OFFER FOR SALE The information presented herein is subject to a
Non-Disclosure Agreement (NDA) and is for planning purposes only. Nothing contained in this presentation, whether verbal or written, is intended as, or shall have the effect of, a sale or an offer for sale that creates a contractual power of acceptance.